<template>
  <div>

    <div style="margin: 10px 0">
      <el-input placeholder="请输入名称" suffix-icon="el-icon-search" style="width: 200px" v-model="name"></el-input>
      <!--      <el-input placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5" style="width: 200px"-->
      <!--                v-model="email"></el-input>-->
      <!--      <el-input placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5" style="width: 200px"-->
      <!--                v-model="address"></el-input>-->
      <el-button type="primary" class="ml-5" @click="load">搜索</el-button>
      <el-button type="warning" style="margin-left: 2px" @click="reset">重置</el-button>
    </div>
    <div style="margin: 10px 0">
      <el-button type="primary" @click="handleAdd">新增<i class="el-icon-circle-plus-outline"></i></el-button>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='取消'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除这些数据吗？"
          @confirm="deleteBatch"
      >
        <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
    </div>
    <el-table :data="tableData" border stripe :header-cell-class-name="headerBg" row-key="id"
              default-expand-all @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="name" label="名称"></el-table-column>
      <el-table-column prop="path" label="路径"></el-table-column>
      <el-table-column prop="icon" label="图标" class-name="fontSize18" align="center" label-class-name="fontSize12">
        <template slot-scope="scope">
          <i :class="scope.row.icon"/>
        </template>
      </el-table-column>
      <el-table-column prop="description" label="描述"></el-table-column>
      <el-table-column label="操作" width="300px">
        <template slot-scope="scope">
          <el-button type="primary" @click="addSonItem(scope.row.id)" v-if="!scope.row.pid&&!scope.row.path">新增子菜单<i
              class="el-icon-plus"></i></el-button>
          <el-button type="success" @click="handleEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='取消'
              icon="el-icon-info"
              icon-color="red"
              title="您确定要删除吗？"
              @confirm="handleDelete(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <el-dialog title="菜单信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form label-width="80px" size="small">
        <el-form-item label="名称">
          <el-input v-model="form.name" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="路径">
          <el-input v-model="form.path" autocomplete="off"></el-input>
        </el-form-item>
        <el-form-item label="图标">
          <el-select clearable v-model="form.icon" placeholder="请选择" style="width: 80%">
            <el-option v-for="item in options" :key="item.name" :label="item.name" :value="item.value">
              <i :class="item.value" />{{item.name}}
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述">
          <el-input v-model="form.description" autocomplete="off"></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
export default {
  name: "User",
  data() {
    return {
      tableData: [],
      total: 0,
      pageNum: 1,
      pageSize: 10,
      name: '',
      form: {},
      dialogFormVisible: false,
      multipleSelection: [],
      headerBg: 'headerBg',
      options: []
    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      // 使用axios发送get请求
      this.request.get("/menu", {
        params: {
          name: this.name,
        }
      }).then(res => {
        this.tableData = res.data
      })
    },
    reset() {
      this.username = ""
      this.email = ""
      this.address = ""
      this.load()
    },
    handleAdd(pid) {
      this.dialogFormVisible = true
      this.form = {}
    },
    addSonItem(pid) {
      this.dialogFormVisible = true
      this.form = {}
      if (pid) {
        this.form.pid = pid
      }
    },
    handleEdit(row) {
      this.form = row
      this.dialogFormVisible = true
      // 请求图标数据
      this.request.get("/menu/icons").then(res => {
        this.options = res.data
      })
    },
    handleDelete(id) {
      this.request.delete("/menu/" + id).then(res => {
        if (res.code === '200') {
          this.$message.success("删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      this.multipleSelection = val
    },
    deleteBatch() {
      let ids = this.multipleSelection.map(v => v.id) // 扁平化处理，把对象数组调整为id数组 [{},{},{}]=>[1,2,3]
      this.request.post("/menu/del/batch/", ids).then(res => {
        if (res.code === '200') {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    save() {
      // 使用axios发送post请求
      this.request.post("/menu", this.form).then(res => {
        if (res.code === '200') {
          this.$message.success("保存成功") //弹出成功提示
          this.dialogFormVisible = false
          this.load()
        } else {
          this.$message.error("保存失败") //弹出失败提示
        }
      })
    },
    collapse() { //点击收缩按钮触发
      this.isCollapse = !this.isCollapse
      if (this.isCollapse) { //收缩
        this.sideWidth = 64
        this.collapseBtnClas = 'el-icon-s-unfold'
        this.logoTextShow = false
      } else {  //展开
        this.sideWidth = 200
        this.collapseBtnClas = 'el-icon-s-fold'
        this.logoTextShow = true
      }
    },
    handleSizeChange(pageSize) {
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) {
      this.pageNum = pageNum
      this.load()
    },
    exp() {
      window.open("http://localhost:9090/menu/export")
    },
    handleExcelImportSuccess() {
      this.$message.success("导入成功")
      this.load()
    }
  }
}
</script>


<style>
.headerBg {
  background: #efefef !important;
}
.fontSize18 {
  font-size: 18px;
}
.fontSize12 {
  font-size: 12px;
}
</style>